42013205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 58078944

約数和(自身を除く): 16065739

約数列:

[1, 5, 13, 17, 65, 85, 193, 197, 221, 965, 985, 1105, 2509, 2561, 3281, 3349, 12545, 12805, 16405, 16745, 38021, 42653, 43537, 190105, 213265, 217685, 494273, 646357, 2471365, 3231785, 8402641, 42013205]

約数ペア:

[(1, 42013205), (5, 8402641), (13, 3231785), (17, 2471365), (65, 646357), (85, 494273), (193, 217685), (197, 213265), (221, 190105), (965, 43537), (985, 42653), (1105, 38021), (2509, 16745), (2561, 16405), (3281, 12805), (3349, 12545)]